[jira] [Resolved] (SOLR-10816) Change uniqueKey to use docValues and not stored field

["David Smiley (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SOLR-10816?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

David Smiley resolved SOLR-10816.
---------------------------------
    Fix Version/s: 9.7
       Resolution: Duplicate

> Change uniqueKey to use docValues and not stored field
> ------------------------------------------------------
>
>                 Key: SOLR-10816
>                 URL: https://issues.apache.org/jira/browse/SOLR-10816
>             Project: Solr
>          Issue Type: Improvement
>            Reporter: Varun Thacker
>            Priority: Major
>             Fix For: 9.7
>
>
> This issue is about the performance improvements you can get by avoiding decompression during the first phase of a distributed search where only id and score is needed.
> The improvements will be noticed for users if the docs are large or have lots of fields in them. 
> For users who don't have this scenario it shouldn't slow things done by any noticeable amounts?
> We should default the unique key field to use docValuues='true' and stored='false' 
> Links to the discussion that lead to this idea:
> - https://issues.apache.org/jira/browse/SOLR-5478?focusedCommentId=16036951&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-16036951
> - http://mail-archives.apache.org/mod_mbox/lucene-dev/201706.mbox/%3C008201d2ddf9%2429435740%247bca05c0%24%40thetaphi.de%3E



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